DE59702245D1 - Abbau von polymeren durch nor-hals-verbindungen - Google Patents

Abbau von polymeren durch nor-hals-verbindungen

Info

Publication number
DE59702245D1
DE59702245D1 DE59702245T DE59702245T DE59702245D1 DE 59702245 D1 DE59702245 D1 DE 59702245D1 DE 59702245 T DE59702245 T DE 59702245T DE 59702245 T DE59702245 T DE 59702245T DE 59702245 D1 DE59702245 D1 DE 59702245D1
Authority
DE
Germany
Prior art keywords
polymers
pct
c20alkyl
degradation
date dec
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
DE59702245T
Other languages
German (de)
English (en)
Inventor
Rudolf Pfaendner
Heinz Herbst
Kurt Hoffmann
Raymond Seltzer
Edward Gande
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BASF Schweiz AG
Original Assignee
Ciba Spezialitaetenchemie Holding AG
Ciba SC Holding AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ciba Spezialitaetenchemie Holding AG, Ciba SC Holding AG filed Critical Ciba Spezialitaetenchemie Holding AG
Application granted granted Critical
Publication of DE59702245D1 publication Critical patent/DE59702245D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J11/00—Recovery or working-up of waste materials
    • C08J11/04—Recovery or working-up of waste materials of polymers
    • C08J11/10—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation
    • C08J11/18—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation by treatment with organic material
    • C08J11/28—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation by treatment with organic material by treatment with organic compounds containing nitrogen, sulfur or phosphorus
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F8/00—Chemical modification by after-treatment
    • C08F8/50—Partial depolymerisation
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F2810/00—Chemical modification of a polymer
    • C08F2810/10—Chemical modification of a polymer including a reactive processing step which leads, inter alia, to morphological and/or rheological modifications, e.g. visbreaking
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/62—Plastics recycling; Rubber recycling

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Sustainable Development (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Other Resins Obtained By Reactions Not Involving Carbon-To-Carbon Unsaturated Bonds (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
DE59702245T 1996-06-26 1997-06-17 Abbau von polymeren durch nor-hals-verbindungen Expired - Lifetime DE59702245D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH159896 1996-06-26
PCT/EP1997/003133 WO1997049737A1 (de) 1996-06-26 1997-06-17 Abbau von polymeren durch nor-hals-verbindungen

Publications (1)

Publication Number Publication Date
DE59702245D1 true DE59702245D1 (de) 2000-09-28

Family

ID=4214174

Family Applications (1)

Application Number Title Priority Date Filing Date
DE59702245T Expired - Lifetime DE59702245D1 (de) 1996-06-26 1997-06-17 Abbau von polymeren durch nor-hals-verbindungen

Country Status (7)

Country Link
US (1) US6133414A (OSRAM)
EP (1) EP0909280B1 (OSRAM)
JP (1) JP3951144B2 (OSRAM)
AT (1) ATE195745T1 (OSRAM)
DE (1) DE59702245D1 (OSRAM)
ES (1) ES2151280T3 (OSRAM)
WO (1) WO1997049737A1 (OSRAM)

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FR2792321B1 (fr) 1999-04-19 2003-12-12 Atochem Elf Sa Procede de fabrication d'une resine de polypropylene a rheologie controlee
FR2805268B1 (fr) * 2000-02-23 2005-03-25 Atofina Polymeres thermoreversibles a fonctions mitroxyde
US7030196B2 (en) 2000-05-19 2006-04-18 Ciba Specialty Chemicals Corporation Process for reducing the molecular weight of polypropylene
DE60144122D1 (de) * 2000-05-19 2011-04-07 Basf Se Verfahren zur kontrollierten Erhöhung des Molekulargewichts von Polyethylen und Polyethylenmischungen
WO2002014383A1 (en) * 2000-08-15 2002-02-21 Akzo Nobel N.V. Use of trixepans in the process to modify (co) polymers
WO2002024767A1 (fr) * 2000-09-22 2002-03-28 Atofina Degradation peroxydique de polymers en presence de radicaux libres stables multifonctionnels
JP3707422B2 (ja) * 2001-11-01 2005-10-19 三菱化学エムケーブイ株式会社 ポリオレフィン系農業用フィルム
JP4012058B2 (ja) 2001-12-21 2007-11-21 キヤノン株式会社 リサイクル性重合体、その製造方法、ならびにリサイクル処理方法
EP1517926B1 (en) * 2002-07-03 2008-07-23 ExxonMobil Chemical Patents Inc. Oxygen tailoring of polyethylene film resins
US8003725B2 (en) 2002-08-12 2011-08-23 Exxonmobil Chemical Patents Inc. Plasticized hetero-phase polyolefin blends
US7998579B2 (en) 2002-08-12 2011-08-16 Exxonmobil Chemical Patents Inc. Polypropylene based fibers and nonwovens
WO2004014997A2 (en) 2002-08-12 2004-02-19 Exxonmobil Chemical Patents Inc. Plasticized polyolefin compositions
US7271209B2 (en) 2002-08-12 2007-09-18 Exxonmobil Chemical Patents Inc. Fibers and nonwovens from plasticized polyolefin compositions
US7531594B2 (en) 2002-08-12 2009-05-12 Exxonmobil Chemical Patents Inc. Articles from plasticized polyolefin compositions
US8192813B2 (en) 2003-08-12 2012-06-05 Exxonmobil Chemical Patents, Inc. Crosslinked polyethylene articles and processes to produce same
WO2005066282A2 (en) * 2003-12-24 2005-07-21 Dow Global Technologies Inc. Rheology modification of polymers
CN101014656B (zh) * 2004-09-09 2011-02-09 西巴特殊化学品控股有限公司 使用羟基胺酯组合物进行的聚丙烯降解
US8389615B2 (en) 2004-12-17 2013-03-05 Exxonmobil Chemical Patents Inc. Elastomeric compositions comprising vinylaromatic block copolymer, polypropylene, plastomer, and low molecular weight polyolefin
US8461272B2 (en) * 2005-04-06 2013-06-11 Basf Se Azo compounds for polypropylene degradation
US8513347B2 (en) 2005-07-15 2013-08-20 Exxonmobil Chemical Patents Inc. Elastomeric compositions
WO2007096276A1 (en) * 2006-02-24 2007-08-30 Ciba Holding Inc. Viscosity breaking process for olefin polymers
US8114451B2 (en) * 2006-12-27 2012-02-14 Kraft Foods Global Brands Llc Resealable closure with package integrity feature
CA2748912C (en) * 2009-01-08 2014-02-25 Basf Se Polymerisation initiator
US8790449B2 (en) 2009-04-03 2014-07-29 3M Innovative Properties Company Electret webs with charge-enhancing additives
KR101679894B1 (ko) 2009-04-03 2016-11-25 쓰리엠 이노베이티브 프로퍼티즈 컴파니 일렉트릿 웨브를 포함하는, 올레핀성 웨브를 위한 가공 보조제
WO2010123810A2 (en) * 2009-04-21 2010-10-28 Basf Performance Products Llc Rotomolding process for polyethylene articles
US9915069B1 (en) 2009-12-31 2018-03-13 Firestone Building Products Co., LLC Non-black EPDM roof membranes with improved weathering
ES2720781T3 (es) 2014-12-15 2019-07-24 Borealis Ag Uso de una composición de polipropileno
EP3034552B2 (en) 2014-12-15 2024-08-28 Borealis AG Synergistic visbreaking composition of peroxide and hydroxylamine ester for increasing the visbreaking efficiency
KR102792971B1 (ko) 2019-12-04 2025-04-08 보레알리스 아게 개선된 배리어 특성을 갖는 경량 멜트-블로운 웹
EP4069896A1 (en) 2019-12-04 2022-10-12 Borealis AG Filtration media made from melt-blown fibers with improved filtration properties
JP7779717B2 (ja) * 2021-12-07 2025-12-03 Ｐｓジャパン株式会社 スチレン系樹脂のリサイクル方法
WO2025131861A1 (en) 2023-12-18 2025-06-26 Sabic Global Technologies B.V. Spun bond nonwoven fabric

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB605588A (en) * 1945-12-13 1948-07-27 Gestetner Ltd Improvements in and relating to plasticising, reclaiming and reworking of vulcanised rubber
NL251261A (OSRAM) * 1959-05-12
US4282076A (en) * 1979-09-17 1981-08-04 Hercules Incorporated Method of visbreaking polypropylene
JPH01101337A (ja) * 1987-10-14 1989-04-19 Mitsubishi Cable Ind Ltd 有機高分子の加熱処理方法
DE69019855T2 (de) * 1989-03-21 1995-10-26 Ciba Geigy Ag Mercaptosäureester, Thioacetale, Sulfide und Disulfide von sterisch gehinderten Aminen mit 1-Hydrocarbyloxygruppe.
EP0389429B1 (en) * 1989-03-21 1994-09-21 Ciba-Geigy Ag Azo compounds containing hindered amine moieties with low basicity
US5342862A (en) * 1990-03-13 1994-08-30 Biolan Corporation Process for controlling the photodegradation of mulch film
DE59209680D1 (de) * 1991-03-27 1999-06-02 Ciba Geigy Ag Verfahren zum Stabilisieren von recyclierten Kunststoffgemischen
CN1037183C (zh) * 1991-07-13 1998-01-28 中国科学院化学研究所 聚丙烯树脂组合物及其制造方法
DE4224990A1 (de) * 1992-07-29 1994-02-03 Guenter Hufschmid Wiederverwertung von Polyolefinabfällen durch thermischen, oxidativen bzw. katalytischen Abbau zu Polyolefinwachsen, Polyolefinharzen oder durch Oxidation zu oxidierten Polyolefinen
US5338822A (en) * 1992-10-02 1994-08-16 Cargill, Incorporated Melt-stable lactide polymer composition and process for manufacture thereof
US5270369A (en) * 1992-10-21 1993-12-14 Phillips Petroleum Company Additive to improve polymer clarity and viscosity
US5393812A (en) * 1993-08-31 1995-02-28 Hercules Incorporated Flame retardant, light stable composition
US5356978A (en) * 1993-09-24 1994-10-18 Occidential Chemical Corporation Method of dispersing a tacky additive in a solution of a polymer
TW460525B (en) * 1994-02-28 2001-10-21 Ciba Sc Holding Ag A process for increasing the molecular weight of polyesters with a tetracarboxylic acid dianhydride and a sterically hindered hydroxy-phenylalkylphonic acid ester or half-ester
US5945460A (en) * 1997-03-20 1999-08-31 Eastman Chemical Company Process for continuously producing polyester articles with scrap recycle in a continuous melt-to-preform process

Also Published As

Publication number Publication date
EP0909280B1 (de) 2000-08-23
WO1997049737A1 (de) 1997-12-31
ATE195745T1 (de) 2000-09-15
US6133414A (en) 2000-10-17
JP3951144B2 (ja) 2007-08-01
JP2000512676A (ja) 2000-09-26
ES2151280T3 (es) 2000-12-16
EP0909280A1 (de) 1999-04-21

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: CIBA HOLDING INC., BASEL, CH